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Finding the Fourth Proportional to 52,823.90, 72,896.55 and 28,950.51

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Solution

The fourth proportional to 52,823.90, 72,896.55 and 28,950.51 is: 39,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,823.90 : 72,896.55 = 28,950.51 : x
  2. Step 2: Convert to fraction form
    52,823.90/72,896.55 = 28,950.51/x
  3. Step 3: Cross multiply
    52,823.90x = 72,896.55 × 28,950.51
  4. Step 4: Simplify right side
    52,823.90x = 2,110,392,299.74
  5. Step 5: Solve for x
    x = 2,110,392,299.74/52,823.90
  6. Step 6: Final answer
    x = 39,951.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.